The Harmonic Tracking Equalizer (HTEq) is an apparatus for and method of carrying out harmonic tracking equalization processing of an electrical signal, and apparatuses for and methods of controlling such equalization processing of the signal to dynamically sense the time-varying spectrum of an input signal and closely match a user desired audio signal spectrum while preserving the original dynamic range of the signal. The harmonically (sub-harmonically) tracked equalization is according to a user specified spectral request specified by a control interface that allows a user to request an amount of equalization to be applied to the signal. This apparatus is intended to process audio signals; though, it has general application to waveforms of other source and higher frequency content.
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1. A method of dynamically equalizing an input signal, the method comprising: one of harmonically spectrally analyzing the input signal to determine a reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and non-harmonically spectrally analyzing the input signal to determine frequencies having a magnitude greater than a user defined threshold including a reference frequency wherein the reference frequency is the input signal's highest magnitude spectral frequency; creating an equalization profile based on user defined parameters for the one of the reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and the frequencies having a magnitude greater than the user defined threshold, and applying the equalization profile to the input signal spectrum to dynamically equalize the input signal.
A method for dynamically adjusting the frequency balance (equalizing) of an input signal. This involves analyzing the signal in two ways: 1) looking for a main frequency (reference frequency) and its related harmonics/sub-harmonics and 2) identifying frequencies with a strength above a user-defined level, where the reference frequency is the strongest frequency. Based on user-defined settings, an equalization profile is created for these identified frequencies. This profile is then applied to the signal to dynamically equalize it, changing the volume of different frequencies in the signal.
2. The method of dynamically equalizing an input signal as recited in claim 1 , wherein the input signal is an audio signal.
The method of dynamically equalizing an input signal, where the method involves: analyzing the signal for a main frequency (reference frequency) and its related harmonics/sub-harmonics or identifying frequencies with a strength above a user-defined level, where the reference frequency is the strongest frequency; creating an equalization profile based on user-defined settings for these identified frequencies; and dynamically equalizing the signal by changing the volume of frequencies in the signal, specifically applies to audio signals. This allows for dynamic equalization of audio based on user preferences.
3. The method of dynamically equalizing an input signal as recited in claim 1 , enabling a user to select to one of harmonically spectrally analyzing the input signal and non-harmonically spectrally analyzing the input signal.
The method of dynamically equalizing an input signal, where the method involves: analyzing the signal for a main frequency (reference frequency) and its related harmonics/sub-harmonics or identifying frequencies with a strength above a user-defined level, where the reference frequency is the strongest frequency; creating an equalization profile based on user-defined settings for these identified frequencies; and dynamically equalizing the signal by changing the volume of frequencies in the signal, gives the user the option to choose which analysis method to use: either analyzing for harmonics/sub-harmonics or analyzing for frequencies above a magnitude threshold.
4. The method of dynamically equalizing an input signal as recited in claim 1 , further including enabling a user to define the parameters for the one of the determined reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and the determined frequencies having a magnitude greater than the user defined threshold.
The method of dynamically equalizing an input signal, where the method involves: analyzing the signal for a main frequency (reference frequency) and its related harmonics/sub-harmonics or identifying frequencies with a strength above a user-defined level, where the reference frequency is the strongest frequency; creating an equalization profile based on user-defined settings for these identified frequencies; and dynamically equalizing the signal by changing the volume of frequencies in the signal, further allows the user to customize the equalization profile by setting the parameters for the identified reference frequency, harmonics/sub-harmonics, and frequencies above a certain threshold. This gives the user fine-grained control over which frequencies are affected and how.
5. The method of dynamically equalizing an input signal as recited in claim 1 , further including enabling a user to define equalization profiles based on the reference frequency and applying an equalization profile defined by a User based on the determined reference frequency to the input signal spectrum.
The method of dynamically equalizing an input signal, where the method involves: analyzing the signal for a main frequency (reference frequency) and its related harmonics/sub-harmonics or identifying frequencies with a strength above a user-defined level, where the reference frequency is the strongest frequency; creating an equalization profile based on user-defined settings for these identified frequencies; and dynamically equalizing the signal by changing the volume of frequencies in the signal, lets users create equalization profiles based on the detected reference frequency and then apply these customized profiles to the signal. This makes the equalization behavior depend on the specific reference frequency found in the input signal.
6. The method of dynamically equalizing an input signal as recited in claim 1 , including dynamically equalizing the input signal by applying user defined parameters to one of the determined reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and the determined frequencies having a magnitude greater than the user defined threshold and applying user defined parameters to the other of the input signal spectrum.
The method of dynamically equalizing an input signal, where the method involves: analyzing the signal for a main frequency (reference frequency) and its related harmonics/sub-harmonics or identifying frequencies with a strength above a user-defined level, where the reference frequency is the strongest frequency; creating an equalization profile based on user-defined settings for these identified frequencies; and dynamically equalizing the signal by changing the volume of frequencies in the signal, dynamically equalizes the input signal by allowing users to directly define parameters for the identified frequencies (reference, harmonics/sub-harmonics or frequencies above threshold) AND independently adjust other parts of the signal's frequency spectrum.
7. The method of dynamically equalizing an input signal as recited in claim 6 , wherein dynamically equalizing the input signal by applying user defined parameters to one of the determined reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and the determined frequencies having a magnitude greater than the user defined threshold and applying user defined parameters to the other of the input signal spectrum includes creating an equalization profile based on user defined parameters for the one of the reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and the frequencies having a magnitude greater than the user defined threshold and the user defined parameters for the other of the input signal spectrum and applying the equalization profile to the input signal spectrum.
The method of dynamically equalizing an input signal, where the method involves: analyzing the signal for a main frequency (reference frequency) and its related harmonics/sub-harmonics or identifying frequencies with a strength above a user-defined level, where the reference frequency is the strongest frequency; creating an equalization profile based on user-defined settings for these identified frequencies; and dynamically equalizing the signal by changing the volume of frequencies in the signal, dynamically equalizes the input signal by allowing users to directly define parameters for the identified frequencies (reference, harmonics/sub-harmonics or frequencies above threshold) AND independently adjust other parts of the signal's frequency spectrum. This involves creating an equalization profile for the identified frequencies alongside a separate set of user-defined parameters for the remaining part of the signal's frequency spectrum, and applying both to the input signal.
8. The method of dynamically equalizing an input signal as recited in claim 7 , wherein the user defined parameters for the other of the input signal spectrum include attenuation levels.
The method of dynamically equalizing an input signal, where the method involves: analyzing the signal for a main frequency (reference frequency) and its related harmonics/sub-harmonics or identifying frequencies with a strength above a user-defined level, where the reference frequency is the strongest frequency; creating an equalization profile based on user-defined settings for these identified frequencies; and dynamically equalizing the signal by changing the volume of frequencies in the signal, dynamically equalizes the input signal by allowing users to directly define parameters for the identified frequencies (reference, harmonics/sub-harmonics or frequencies above threshold) AND independently adjust other parts of the signal's frequency spectrum. This involves creating an equalization profile for the identified frequencies alongside a separate set of user-defined parameters including attenuation levels for the remaining part of the signal's frequency spectrum, and applying both to the input signal. This means that the user can specifically reduce the volume (attenuate) certain frequencies.
9. The method of dynamically equalizing an input signal as recited in claim 1 , wherein the input signal is an analog audio signal and further including converting the analog audio signal to a digital audio signal.
The method of dynamically equalizing an input signal, where the method involves: analyzing the signal for a main frequency (reference frequency) and its related harmonics/sub-harmonics or identifying frequencies with a strength above a user-defined level, where the reference frequency is the strongest frequency; creating an equalization profile based on user-defined settings for these identified frequencies; and dynamically equalizing the signal by changing the volume of frequencies in the signal, applies to analog audio signals and includes a step of converting the analog signal into a digital signal before processing.
10. A method of dynamically equalizing an input signal the method comprising: harmonically spectrally analyzing the input signal to determine a reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and non-harmonically spectrally analyzing the input signal to determine frequencies having a magnitude greater than a user defined threshold including a reference frequency wherein the reference frequency is the input signal's highest magnitude spectral frequency; determining the energy content of the reference frequency, and sub-harmonics of the reference frequency and the energy content of the frequencies having a magnitude greater than a user defined threshold; creating an equalization profile based on user defined parameters for the one of the reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and the frequencies having a magnitude greater than the user defined threshold having the greater energy content; and applying the equalization profile to the input signal spectrum to dynamically equalize the input signal.
A method for dynamically equalizing an input signal. This involves analyzing the signal in two ways: 1) looking for a main frequency (reference frequency) and its related harmonics/sub-harmonics and 2) identifying frequencies with a strength above a user-defined level, where the reference frequency is the strongest frequency. The method then determines the energy content of both the harmonics/sub-harmonics and the frequencies above the threshold. Based on user-defined settings, an equalization profile is created for the set of frequencies with greater energy content. The profile is then applied to the signal to dynamically equalize it.
11. The method of dynamically equalizing an input signal as recited in claim 10 , further including enabling a user to define the parameters for the determined reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and the determined frequencies having a magnitude greater than the user defined threshold.
The method of dynamically equalizing an input signal by analyzing the signal for a reference frequency, its harmonics/sub-harmonics and frequencies above a user-defined threshold, determining the energy content of each, creating an equalization profile based on user-defined parameters for those with greater energy, and then applying it to the input signal, further enables the user to define the parameters used to create the equalization profile for the identified reference frequency, harmonics/sub-harmonics, and frequencies exceeding the user-defined magnitude threshold.
12. The method of dynamically equalizing an input signal as recited in claim 10 , dynamically equalizing the input signal by applying user defined parameters to one of the determined reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and the determined frequencies having a magnitude greater than the user defined threshold having the greater energy content and applying user defined parameters to the other of the input signal spectrum.
The method of dynamically equalizing an input signal by analyzing the signal for a reference frequency, its harmonics/sub-harmonics and frequencies above a user-defined threshold, determining the energy content of each, creating an equalization profile based on user-defined parameters for those with greater energy, and then applying it to the input signal, dynamically equalizes the input signal by allowing user-defined parameters to be applied to the frequencies with greater energy content AND also allows user-defined parameters to be applied to the *rest* of the input signal's spectrum.
13. The method of dynamically equalizing an input signal as recited in claim 10 , wherein dynamically equalizing the input signal by applying user defined parameters to one of the determined reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and the determined frequencies having a magnitude greater than the user defined threshold having the greater energy content includes creating an equalization profile based on user defined parameters for the one of the reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency and the frequencies having a magnitude greater than the user defined threshold having the greater energy content and (Previously Presented) user defined parameters for the other of the input signal spectrum and applying the equalization profile to the input signal spectrum.
The method of dynamically equalizing an input signal by analyzing the signal for a reference frequency, its harmonics/sub-harmonics and frequencies above a user-defined threshold, determining the energy content of each, creating an equalization profile based on user-defined parameters for those with greater energy, and then applying it to the input signal, dynamically equalizes the input signal by creating an equalization profile for the identified frequencies based on user settings, and applying *separate* user-defined parameters to the remainder of the frequency spectrum, and then applying the combination to the input signal. This allows separate, custom control over the primary frequencies and the rest of the signal.
14. The method of dynamically equalizing an input signal as recited in claim 13 , wherein the user defined parameters for the other of the input signal spectrum include attenuation levels.
The method of dynamically equalizing an input signal by analyzing the signal for a reference frequency, its harmonics/sub-harmonics and frequencies above a user-defined threshold, determining the energy content of each, creating an equalization profile based on user-defined parameters for those with greater energy, and then applying it to the input signal, dynamically equalizes the input signal by creating an equalization profile for the identified frequencies based on user settings, and applying *separate* user-defined parameters, including attenuation levels, to the remainder of the frequency spectrum, and then applying the combination to the input signal. This allows users to specifically lower the volume of particular frequencies in the remaining part of the spectrum.
15. The method of dynamically equalizing an input signal as recited in claim 10 , wherein the input signal is an analog audio signal and further including converting the analog audio signal to a digital audio signal.
The method of dynamically equalizing an input signal by analyzing the signal for a reference frequency, its harmonics/sub-harmonics and frequencies above a user-defined threshold, determining the energy content of each, creating an equalization profile based on user-defined parameters for those with greater energy, and then applying it to the input signal, is used for analog audio signals and involves converting the analog signal to a digital signal.
16. A method of dynamically equalizing an audio signal, the method comprising: harmonically spectrally analyzing the audio signal to determine a reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency wherein the reference frequency is the audio signal's highest magnitude spectral frequency; creating an equalization profile based on user defined parameters for the reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency; and dynamically equalizing the audio signal by applying user defined parameters to the determined reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency by applying the equalization profile to the audio signal spectrum.
A method for dynamically adjusting the frequency balance (equalizing) of an audio signal. The method analyzes the audio signal to find the dominant frequency (reference frequency) and its related harmonics and sub-harmonics. The reference frequency is the strongest frequency. An equalization profile is created based on user-defined parameters to adjust the volume levels of the reference frequency, its harmonics, and sub-harmonics. The audio signal is dynamically equalized by applying these user-defined parameters through the created equalization profile to adjust the audio signal's spectrum.
17. The method of dynamically equalizing an audio signal as recited in claim 16 , further including enabling a user to define the parameters for the determined reference frequency, harmonics of the reference frequency, and sub-harmonics of the reference frequency.
The method of dynamically equalizing an audio signal by analyzing the signal for a reference frequency and its harmonics/sub-harmonics, creating an equalization profile based on user-defined parameters, and then applying it to the signal's spectrum, further includes a feature enabling a user to customize the parameters used in the equalization profile for the reference frequency, harmonics, and sub-harmonics.
18. The method of dynamically equalizing an audio signal as recited in claim 16 , including creating an equalization profile based on user defined parameters for the reference frequency, harmonics of the reference frequency, sub-harmonics of the reference frequency, and user defined parameters for the other of the audio signal spectrum.
The method of dynamically equalizing an audio signal by analyzing the signal for a reference frequency and its harmonics/sub-harmonics, creating an equalization profile based on user-defined parameters, and then applying it to the signal's spectrum, builds the equalization profile by combining user-defined parameters for the reference frequency, its harmonics/sub-harmonics, AND user-defined parameters for the *rest* of the audio signal spectrum.
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September 6, 2016
July 4, 2017
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